Oval|Lab Grown|IGI

1.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG455035813

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG455035813

Diamond specifications and retailer prices

From $1,620 NZD
$910 USD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $3,931 NZD at NZ Jewellers · As of October 18, 2026
View at NZ Jewellers

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455035813 or 455035813. Listed at 11 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455035813
Dimensions7.42 × 5.62 × 3.63 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Top View
7.42 mm5.62 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455035813
Side View
Table 58.0%Crown 37.4°Girdle: ThickPavilion 40.3°Culet: NoneDepth 64.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,620 NZD|Low: $882 NZD|High: $5,970 NZD|Avg: $2,026 NZD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 21, 2026
Retailer 3$882 NZD
Retailer 7$1,205 NZD
Retailer 11$1,348 NZD
Retailer 2$1,398 NZD
Retailer 9$1,398 NZD
Retailer 1$1,620 NZD
Retailer 8$1,620 NZD
Retailer 4$2,234 NZD
Retailer 10$2,277 NZD
Retailer 6$3,572 NZD
Retailer 5$5,922 NZD

34 data points across 11 retailers

11 retailers

Retailer 1
-
$1,205 NZD
$677 USD
Price last confirmed 11 days ago
Retailer 2
-
$1,312 NZD
$737 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$1,398 NZD
$785 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$1,398 NZD
$785 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$1,620 NZD
$910 USD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$1,620 NZD
$910 USD
View
Retailer 7
-
$2,234 NZD
£988 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
$2,277 NZD
$1,279 USD
View
Price last confirmed 11 days ago
Retailer 9
-
$3,572 NZD
$2,006 USD
View
Price under review
Most Expensive
NZ Jewellers
96829a4d-9ad9-4fea-90df-8858535ec713 · Oct 18
$3,931 NZD
$2,208 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,620 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.00ct Oval
$1,620 NZD